IBM 1130 User Manual page 609

SUMMARY
Generally there are two approaches to sorting with
your 1130:
1. Avoid sorting
2. Write a sort program
The ways in which you can avoid sorting are:
1. Maintain multiple copies of your files.
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2. Maintain multiple copies of your index, if an
index exists.
3. Sort offline.
If you decide that sorting is necessary, many
techniques are available. The methods avail-
able and a brief evaluation of each were given
earlier.